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Transcript of The Sun
Energy From the Sun
This happens because more sunspots means there are more solar flares. When there are more solar flares, the temperatures are warmer on Earth.
Cooler Temperatures on Earth
This happens because less sunspots means less solar flares. When there are less solar flares, there are cooler temperatures on Earth.
The sun has 6 layers.
There is the core, the radiation zone, the convection zone, the photosphere (the surface), the Chromosphere (the inner atmosphere), and the Corona (outer atmosphere.
The sun and other stars are just big balls of fiery gasses.
All stars produce their own heat and light.
All stars, including our sun, were born and will someday die.
The chemical composition is different.
The size of the star is not the exact same as our sun.
Not all stars have planets orbiting them.
Comparisons and Contrasts Between the Sun and Other Stars
Solar winds occur when solar flares break loose from the sun. The charged particles, also known as plasma, fly through space. If they go in the direction of Earth, our magnetic field deflects them. If the plasma heads for the poles, though, it can penetrate through the bend in the magnetic field. This can cause black outs for electricity, communication, and navigation systems. It can also cause beautiful auroras.
Prominences are gasses that rise above the sun in an arc. When one side breaks loose, it becomes a solar flare.
Solar Flares are prominences where one side broke loose. If the other side breaks loose, it will become solar wind.
Infrared Radiation is something that you feel every day. It is radiation from the sun that comes in the form of heat.
Solar Radiation is radiation from the sun that comes in the form of light.
Ultraviolet Radiation can be very harmful to us. It is what gives us sunburns and even skin cancer.
Every star is a big ball of gas, including our sun. Our sun is a yellow dwarf star. It is 5778° Kelvin or 9940.73° Fahrenheit.
Sunspots are cooler areas on the sun's photosphere. They look darker than the other regions because they are cooler. Sunspots are caused by solar flares. The sunspot cycle is just increases and decreases in the amount of sunspots every 11 years. How it affects Earth is shown in the graphs to the right.
Layers of the Sun
The sun produces energy through nuclear fusion.
Nuclear fusion is the process where two atomic nuclei combine, forming a larger, more massive nucleus and releasing energy.
In our sun hydrogen atoms join together to form helium
Explain what geocentric means and why ancient people believed in this model. (1-2 sentences)
With the knowledge you have explain why this scientifically could not be true. (1-2 sentences)